Year Percent Change 2000-01-01 8.0282 2001-01-01 3.8982 2002-01-01 7.1822 2003-01-01 3.7200 2004-01-01 19.2189 2005-01-01 7.4928 2006-01-01 26.1702 2007-01-01 17.9857 2008-01-01 17.6636 2009-01-01 11.9566 2010-01-01 18.1317 2011-01-01 13.3752 2012-01-01 4.6873 2013-01-01 4.4103 2014-01-01 3.9789 2015-01-01 3.5510 2016-01-01 2.2302 2017-01-01 2.1356 2018-01-01 2.5714 2019-01-01 2.6852